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Some users take it daily or every other day to maintain consistent levels
Med spas have capitalized on these functions by positioning B12 shots as a fast, accessible wellness upgrade often bundled with IV therapy, weight loss programs, or cosmetic treatment packages
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While very high oral doses (1,000 to 2,000 mcg) can achieve some passive absorption without intrinsic factor roughly 1% of the dose is absorbed passively many clinicians prefer the reliability and rapid correction offered by injections in this population
Evidence and limitations What this means, and what it does not
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